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Laser Tips & Tricks: How to CrossHair for Laser Engraver

by CrealityFalcon 15 Jan 2024
Laser Tips & Tricks: How to CrossHair for Laser Engraver
Tutorial Creation
Ralph Marius
Original Model Design
Eric Grand
Model Remix and Adaptation
Ralph Marius
Faclon Corsshair Files 


Crosshairs serve as an exact reference point on your material, crucial for aligning your design with precision. This tool is especially beneficial for detailed designs or materials that demand accurate placement. By using crosshairs, you not only achieve precise alignment but also reduce material wastage by allowing for exact positioning before the laser starts its work. Let’s delve into how crosshairs can transform your laser engraving and cutting process, ensuring each project is as precise as it is efficient.

 

Crosshair Build and Set up

How to CrossHair

 

Parts List

1. 5v Crosshair 12mm

How to CrossHair

2. USB C to 2 pin Bare

How to CrossHair

 

3. Download and 3D print holder

How to CrossHair



4. KCD1 2 Pin 250V 3A SPST Black Boat Switch 21*15/15*10

How to CrossHair



5. 2 M3*8 screws (for top) If you can get flat over hex that’s fine. I had hex on hand.

How to CrossHair

6. 1 M3*10 screw

7. 1 M3 nut

How to CrossHair

8. Heat Shrink

How to CrossHair

You will also need a way to solder wire connections

 

Assemble Steps

Step 1
Print the Crosshair Part if you have not already

Step 2
Push Crosshair though bottom and run wires as pictured

How to CrossHair

 

Step 3
Cut the black wire about an inch above the Printed holder.

How to CrossHair

 

Step 4
Solder the Black cable to the one prong of the switch and solder the piece you cut off to the other prong of the switch. Push Switch in slot. Run Black and red wire as shown

How to CrossHair

Step 5
Solder USB C wires to the red and black wires. Don’t forget to put the heat shrink on!

How to CrossHair

 

Step 6
Install M3*10 with nut in hole to secure laser from falling out

How to CrossHair

How to CrossHair


Step 7

Remove top front 2 sliver screws from laser. Add laser crosshair mount and install the 2 new M3*8 screws to secure

How to CrossHair



Step 8

Plug USB-C cable in on top and power up laser. The crosshair will need to be focused by spinning the bottom tip. Once focused (Thin Lines) I added some glue to keep from spinning.

How to CrossHair

 

Setting Up Lightburn to use Crosshair

Step 1

Open Lightburn and create a 20mm x 20mm square

How to CrossHair


Step 2

Set start from (Bottom right of my screen) to Current Position and set to bottom left

How to CrossHair



Step 3

Take some cardboard or scrap wood and put under the crosshair. Take a pencil or marker and put a small dot in center of cross.
How to CrossHair



Step 4

Open Device settings on Lightburn and turn on Laser Offset. Change X to 39.0 mm and Y to -40.0mm
These setting may be +1 or 2 mm so you will need to measure to make sure.

How to CrossHair

 

Step 5

Print the Line Square. I am using 6000 / 20 power. This should make a square starting at the dot you made before as seen here

How to CrossHair

If its off some, just measure the difference from the dot to the square and adjust X & Y till you are good.

That’s it!! Enjoy!







CONTENTS
  • Crosshair Build and Set up

  • Setting Up Lightburn to use Crosshair

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